686714105 has 32 divisors (see below), whose sum is σ = 1072078848. Its totient is φ = 409464000.

The previous prime is 686714101. The next prime is 686714107. The reversal of 686714105 is 501417686.

It is not a de Polignac number, because 686714105 - 2² = 686714101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (686714101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29921 + ... + 47630.

It is an arithmetic number, because the mean of its divisors is an integer number (33502464).

Almost surely, 2^686714105 is an apocalyptic number.

It is an amenable number.

686714105 is a deficient number, since it is larger than the sum of its proper divisors (385364743).

686714105 is a wasteful number, since it uses less digits than its factorization.

686714105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77597.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 686714105 is about 26205.2304893508. The cubic root of 686714105 is about 882.2506546235.

The spelling of 686714105 in words is "six hundred eighty-six million, seven hundred fourteen thousand, one hundred five".